Urbanization refers to the population shift from rural to urban areas. In the Caribbean, this process has led to high population densities in major cities and issues with over-urbanization. Common causes of unplanned urbanization include natural population increase, migration for economic opportunities and education, and declining importance of agriculture. Key consequences are scarcity of basic necessities resulting in slums and overcrowding, unemployment exceeding available jobs, and increased social issues like crime, violence, and segregation.